Solar, tidal, and wave energy are the smallest proportion of the alternative energy market. According to our media spotlight, less than 1% of all renewable energy comes from these three sources combined.

Commercial-scale tidal power requires an enormous economic investment. The WSJ article mentions half a dozen Western companies involved in tidal power technology. (The red and green lozenges display publicly traded companies’ current stock information.) Many of these firms are eager to enter the lucrative Chinese market, including American engineering giant Lockheed Martin.

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